US4699242A - Magnetic speaker - Google Patents
Magnetic speaker Download PDFInfo
- Publication number
- US4699242A US4699242A US06/813,960 US81396085A US4699242A US 4699242 A US4699242 A US 4699242A US 81396085 A US81396085 A US 81396085A US 4699242 A US4699242 A US 4699242A
- Authority
- US
- United States
- Prior art keywords
- diaphragm
- wood
- magnetic speaker
- flat
- wood plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/021—Diaphragms comprising cellulose-like materials, e.g. wood, paper, linen
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59-275211 | 1984-12-28 | ||
JP59275211A JPH0728478B2 (en) | 1984-12-28 | 1984-12-28 | Speaker |
Publications (1)
Publication Number | Publication Date |
---|---|
US4699242A true US4699242A (en) | 1987-10-13 |
Family
ID=17552240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/813,960 Expired - Fee Related US4699242A (en) | 1984-12-28 | 1985-12-27 | Magnetic speaker |
Country Status (2)
Country | Link |
---|---|
US (1) | US4699242A (en) |
JP (1) | JPH0728478B2 (en) |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5003610A (en) * | 1988-04-14 | 1991-03-26 | Fostex Corporation | Whole surface driven speaker |
EP0556786A2 (en) * | 1992-02-21 | 1993-08-25 | Matsushita Electric Industrial Co., Ltd. | Speaker |
US5329072A (en) * | 1991-05-23 | 1994-07-12 | Yamaha Corporation | Acoustic diaphragm |
US5353567A (en) * | 1990-04-18 | 1994-10-11 | Premier Refractories And Chemicals, Inc. | Insulation module assembly and apparatus for installation |
US5430805A (en) * | 1990-12-27 | 1995-07-04 | Chain Reactions, Inc. | Planar electromagnetic transducer |
US5627903A (en) * | 1993-10-06 | 1997-05-06 | Chain Reactions, Inc. | Variable geometry electromagnetic transducer |
US6044925A (en) * | 1998-11-30 | 2000-04-04 | Sahyoun; Joseph Yaacoub | Passive speaker |
US6675931B2 (en) | 1998-11-30 | 2004-01-13 | Joseph Yaacoub Sahyoun | Low profile audio speaker |
DE10246792A1 (en) * | 2002-10-08 | 2004-05-06 | Göbel, Oliver | Acoustic device for radiating sound waves, has panel with wooden core with high modulus of elasticity coating, e.g. resin and textile material; light wood mean raw density less than 400 kg/cubic meter |
US20040168851A1 (en) * | 2003-02-19 | 2004-09-02 | Satoshi Imamura | Speaker diaphragms, manufacturing methods of the same, and dynamic speakers |
US20070242851A1 (en) * | 2004-01-22 | 2007-10-18 | Ilkka Turunen | Loudspeaker |
US20080006475A1 (en) * | 2006-07-05 | 2008-01-10 | Yamaha Corporation | Diaphragm for speaker and manufacturing method therefor |
US20080085017A1 (en) * | 2006-01-10 | 2008-04-10 | Andrei Ilies | Loudspeaker and microphone based on the principle of "The Center of Percussion" |
US20090038878A1 (en) * | 2007-08-10 | 2009-02-12 | Victor Company Of Japan, Limited | Acoustic diaphragm and speaker |
WO2010044526A1 (en) * | 2008-10-15 | 2010-04-22 | 주식회사 비에스이 | Integrated vibration plate for micro-speaker, manufacturing method thereof, and micro-speaker including the vibration plate |
US7717230B2 (en) * | 2006-06-05 | 2010-05-18 | Nissan Motor Co., Ltd. | Device and method for amplifying suction noise |
USRE42490E1 (en) * | 2006-06-05 | 2011-06-28 | Nissan Motor Co., Ltd. | Device and method for amplifying suction noise |
EP2348754A1 (en) * | 2008-11-19 | 2011-07-27 | Panasonic Corporation | Speaker and electronic device including speaker |
CN101282596B (en) * | 2003-02-19 | 2011-08-31 | 日本胜利株式会社 | Method of manufacturing speaker diaphragms |
CN101378604B (en) * | 2007-08-27 | 2012-07-25 | 日本胜利株式会社 | Voice coil and speaker |
US8577076B2 (en) | 2010-07-07 | 2013-11-05 | Sony Corporation | Speaker device |
CN102387449B (en) * | 2007-08-10 | 2015-05-06 | Jvc建伍株式会社 | Acoustic diaphragm and speaker |
WO2016014515A1 (en) * | 2014-07-23 | 2016-01-28 | Bose Corporation | Sound producing system |
WO2017218525A1 (en) * | 2016-06-14 | 2017-12-21 | Bose Corporation | Electro-acoustic driver |
US9942662B2 (en) | 2016-06-14 | 2018-04-10 | Bose Corporation | Electro-acoustic driver having compliant diaphragm with stiffening element |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62107599A (en) * | 1985-11-02 | 1987-05-18 | Daiken Trade & Ind Co Ltd | Flat diaphragm for magnetic speaker |
JPS63190497A (en) * | 1987-02-02 | 1988-08-08 | Chubu Koon Seisakusho:Kk | Plane diaphragm for speaker |
JP2690104B2 (en) * | 1988-05-13 | 1997-12-10 | 加藤 義之 | Speaker cone and speaker equipped with the cone |
ITMI20051106A1 (en) * | 2005-06-13 | 2006-12-14 | Enrico Ciresa S R L | SOUND PANEL FOR THE DIFFUSION OF SOUNDS AND MUSIC AND ITS PROCESS OF MANUFACTURING. |
JP4740770B2 (en) * | 2006-03-02 | 2011-08-03 | 株式会社日立メディコ | Ultrasonic probe and ultrasonic imaging apparatus |
JP4909279B2 (en) * | 2005-10-18 | 2012-04-04 | 株式会社日立製作所 | Ultrasonic probe |
EP1950997B1 (en) | 2005-10-18 | 2019-10-09 | Hitachi, Ltd. | Ultrasonic probe |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1500331A (en) * | 1922-07-20 | 1924-07-08 | Robert H Marriott | Telephonic receiver |
US1690726A (en) * | 1927-04-23 | 1928-11-06 | holinger | |
US4567327A (en) * | 1982-02-04 | 1986-01-28 | U.S. Philips Corporation | Flat-diaphragm transducer and method of manufacturing such a transducer |
-
1984
- 1984-12-28 JP JP59275211A patent/JPH0728478B2/en not_active Expired - Lifetime
-
1985
- 1985-12-27 US US06/813,960 patent/US4699242A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1500331A (en) * | 1922-07-20 | 1924-07-08 | Robert H Marriott | Telephonic receiver |
US1690726A (en) * | 1927-04-23 | 1928-11-06 | holinger | |
US4567327A (en) * | 1982-02-04 | 1986-01-28 | U.S. Philips Corporation | Flat-diaphragm transducer and method of manufacturing such a transducer |
Cited By (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5003610A (en) * | 1988-04-14 | 1991-03-26 | Fostex Corporation | Whole surface driven speaker |
US5353567A (en) * | 1990-04-18 | 1994-10-11 | Premier Refractories And Chemicals, Inc. | Insulation module assembly and apparatus for installation |
US5430805A (en) * | 1990-12-27 | 1995-07-04 | Chain Reactions, Inc. | Planar electromagnetic transducer |
US5953438A (en) * | 1990-12-27 | 1999-09-14 | Chain Reactions, Inc. | Planar electromagnetic transducer |
US5329072A (en) * | 1991-05-23 | 1994-07-12 | Yamaha Corporation | Acoustic diaphragm |
EP0556786B1 (en) * | 1992-02-21 | 2002-07-10 | Matsushita Electric Industrial Co., Ltd. | Speaker |
EP0556786A2 (en) * | 1992-02-21 | 1993-08-25 | Matsushita Electric Industrial Co., Ltd. | Speaker |
US5371805A (en) * | 1992-02-21 | 1994-12-06 | Matsushita Electric Industrial Co., Ltd. | Speaker and speaker system employing the same |
EP0823828A2 (en) * | 1992-02-21 | 1998-02-11 | Matsushita Electric Industrial Co., Ltd. | Speaker and speaker system employing the same |
EP0823828A3 (en) * | 1992-02-21 | 1998-03-11 | Matsushita Electric Industrial Co., Ltd. | Speaker and speaker system employing the same |
US5627903A (en) * | 1993-10-06 | 1997-05-06 | Chain Reactions, Inc. | Variable geometry electromagnetic transducer |
US6675931B2 (en) | 1998-11-30 | 2004-01-13 | Joseph Yaacoub Sahyoun | Low profile audio speaker |
US6044925A (en) * | 1998-11-30 | 2000-04-04 | Sahyoun; Joseph Yaacoub | Passive speaker |
DE10246792B4 (en) * | 2002-10-08 | 2005-11-10 | Göbel, Oliver | Acoustic device |
DE10246792A1 (en) * | 2002-10-08 | 2004-05-06 | Göbel, Oliver | Acoustic device for radiating sound waves, has panel with wooden core with high modulus of elasticity coating, e.g. resin and textile material; light wood mean raw density less than 400 kg/cubic meter |
US20090090453A1 (en) * | 2003-02-19 | 2009-04-09 | Victor Company Of Japan, Limited | Speaker diaphragms, manufacturing methods of the same, and dynamic speakers |
US7467686B2 (en) * | 2003-02-19 | 2008-12-23 | Victor Company Of Japan, Limited | Speaker diaphragms, manufacturing methods of the same, and dynamic speakers |
US20040168851A1 (en) * | 2003-02-19 | 2004-09-02 | Satoshi Imamura | Speaker diaphragms, manufacturing methods of the same, and dynamic speakers |
US7677355B2 (en) | 2003-02-19 | 2010-03-16 | Victor Company Of Japan, Limited | Speaker diaphragms, manufacturing methods of the same, and dynamic speakers |
CN101282593B (en) * | 2003-02-19 | 2012-07-04 | 日本胜利株式会社 | Speaker diaphragms and dynamic speakers |
CN101282596B (en) * | 2003-02-19 | 2011-08-31 | 日本胜利株式会社 | Method of manufacturing speaker diaphragms |
US20070242851A1 (en) * | 2004-01-22 | 2007-10-18 | Ilkka Turunen | Loudspeaker |
US20080085017A1 (en) * | 2006-01-10 | 2008-04-10 | Andrei Ilies | Loudspeaker and microphone based on the principle of "The Center of Percussion" |
USRE42490E1 (en) * | 2006-06-05 | 2011-06-28 | Nissan Motor Co., Ltd. | Device and method for amplifying suction noise |
US7717230B2 (en) * | 2006-06-05 | 2010-05-18 | Nissan Motor Co., Ltd. | Device and method for amplifying suction noise |
US20080006475A1 (en) * | 2006-07-05 | 2008-01-10 | Yamaha Corporation | Diaphragm for speaker and manufacturing method therefor |
US7775319B2 (en) * | 2006-07-05 | 2010-08-17 | Yamaha Corporation | Diaphragm for speaker and manufacturing method therefor |
US20090038878A1 (en) * | 2007-08-10 | 2009-02-12 | Victor Company Of Japan, Limited | Acoustic diaphragm and speaker |
US7845461B2 (en) * | 2007-08-10 | 2010-12-07 | Victor Company Of Japan, Limited | Acoustic diaphragm and speaker |
CN102387449B (en) * | 2007-08-10 | 2015-05-06 | Jvc建伍株式会社 | Acoustic diaphragm and speaker |
CN101378604B (en) * | 2007-08-27 | 2012-07-25 | 日本胜利株式会社 | Voice coil and speaker |
WO2010044526A1 (en) * | 2008-10-15 | 2010-04-22 | 주식회사 비에스이 | Integrated vibration plate for micro-speaker, manufacturing method thereof, and micro-speaker including the vibration plate |
EP2348754A4 (en) * | 2008-11-19 | 2013-09-11 | Panasonic Corp | Speaker and electronic device including speaker |
US8422723B2 (en) * | 2008-11-19 | 2013-04-16 | Panasonic Corporation | Loudspeaker and electronic device including loudspeaker |
EP2348754A1 (en) * | 2008-11-19 | 2011-07-27 | Panasonic Corporation | Speaker and electronic device including speaker |
US20110211725A1 (en) * | 2008-11-19 | 2011-09-01 | Hiroyuki Takewa | Loudspeaker and electronic device including loudspeaker |
US8577076B2 (en) | 2010-07-07 | 2013-11-05 | Sony Corporation | Speaker device |
WO2016014515A1 (en) * | 2014-07-23 | 2016-01-28 | Bose Corporation | Sound producing system |
US9628917B2 (en) | 2014-07-23 | 2017-04-18 | Bose Corporation | Sound producing system |
WO2017218525A1 (en) * | 2016-06-14 | 2017-12-21 | Bose Corporation | Electro-acoustic driver |
US9942662B2 (en) | 2016-06-14 | 2018-04-10 | Bose Corporation | Electro-acoustic driver having compliant diaphragm with stiffening element |
US10638232B2 (en) | 2016-06-14 | 2020-04-28 | Bose Corporation | Electro-acoustic driver having compliant diaphragm with stiffening element |
EP3585070B1 (en) * | 2016-06-14 | 2021-12-08 | Bose Corporation | Electro-acoustic driver |
Also Published As
Publication number | Publication date |
---|---|
JPH0728478B2 (en) | 1995-03-29 |
JPS61157100A (en) | 1986-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CHUBU CONE CO., LTD. NO. 354, MITARAI, MINO-SHI, G Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ONO, TERUAKI;REEL/FRAME:004568/0257 Effective date: 19860613 Owner name: DAIKEN TRADE & INDUSTRY CO., LTD. NO. 1-1, INAMI, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ONO, TERUAKI;REEL/FRAME:004568/0257 Effective date: 19860613 |
|
CC | Certificate of correction | ||
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FEPP | Fee payment procedure |
Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 19991013 |
|
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |